Base | Representation |
---|---|
bin | 1101101100101… |
… | …0100100010001 |
3 | 11000002220110010 |
4 | 3123022210101 |
5 | 104201442232 |
6 | 5411225133 |
7 | 1265224632 |
oct | 333124421 |
9 | 130086403 |
10 | 57452817 |
11 | 2a481174 |
12 | 172a81a9 |
13 | bb97766 |
14 | 78b7889 |
15 | 509d0cc |
hex | 36ca911 |
57452817 has 8 divisors (see below), whose sum is σ = 76810624. Its totient is φ = 38198448.
The previous prime is 57452803. The next prime is 57452821. The reversal of 57452817 is 71825475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57452817 - 220 = 56404241 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (57452867) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24553 + ... + 26790.
It is an arithmetic number, because the mean of its divisors is an integer number (9601328).
Almost surely, 257452817 is an apocalyptic number.
It is an amenable number.
57452817 is a deficient number, since it is larger than the sum of its proper divisors (19357807).
57452817 is a wasteful number, since it uses less digits than its factorization.
57452817 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51719.
The product of its digits is 78400, while the sum is 39.
The square root of 57452817 is about 7579.7636506688. The cubic root of 57452817 is about 385.8665296907.
The spelling of 57452817 in words is "fifty-seven million, four hundred fifty-two thousand, eight hundred seventeen".
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